1445216282 has 8 divisors (see below), whose sum is σ = 2169523200. Its totient is φ = 722041884.

The previous prime is 1445216261. The next prime is 1445216299. The reversal of 1445216282 is 2826125441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1445216282³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279932 + ... + 285047.

It is an arithmetic number, because the mean of its divisors is an integer number (271190400).

Almost surely, 2^1445216282 is an apocalyptic number.

1445216282 is a deficient number, since it is larger than the sum of its proper divisors (724306918).

1445216282 is a wasteful number, since it uses less digits than its factorization.

1445216282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566260.

The product of its digits is 30720, while the sum is 35.

The square root of 1445216282 is about 38016.0003419613. Note that the first 3 decimals coincide. The cubic root of 1445216282 is about 1130.6051218977.

The spelling of 1445216282 in words is "one billion, four hundred forty-five million, two hundred sixteen thousand, two hundred eighty-two".